Editor preferences are not successfully exporting in //UE5/Release-5.1
This issue is occurring in Binary //UE5/Release-5.1 at CL 23901901
This issue is NOT occurring in Binary //UE5/Release-5.0 at CL 20979098
Marked as Regression
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-180159 in the post.